| 摘要 |
<p>PURPOSE:To obtain the title composition in the field of metal cleaning followed by solvent recovery and dry cleaning, maintaining a proper concentration of stabilizer for a long period of time, preventing accumulation of acidic substance, containing specific amounts of acetylacetone and alkylene oxides. CONSTITUTION:The objective composition containing (A) 0.1-10vol.% acetylacetone and (B) 0.1-5vol.% alkylene oxides comprising preferably 1,1,1- trichloroethane, 1,2-butylene oxide, 2,3-butylene oxide and isobutylene oxide having a boiling point close to that of 1,1,1-trichloroethane.</p> |
